From: Peter Xu <pet...@redhat.com> Provide the function and use it in vtd_init(). Used to reset both context entry cache and iotlb cache for the whole IOMMU unit.
Signed-off-by: Peter Xu <pet...@redhat.com> Reviewed-by: Eric Auger <eric.au...@redhat.com> Reviewed-by: Jason Wang <jasow...@redhat.com> Reviewed-by: Michael S. Tsirkin <m...@redhat.com> Signed-off-by: Michael S. Tsirkin <m...@redhat.com> --- hw/i386/intel_iommu.c | 13 +++++++++---- 1 file changed, 9 insertions(+), 4 deletions(-) diff --git a/hw/i386/intel_iommu.c b/hw/i386/intel_iommu.c index 3dfada19a6..1137861a9d 100644 --- a/hw/i386/intel_iommu.c +++ b/hw/i386/intel_iommu.c @@ -227,6 +227,14 @@ static void vtd_reset_iotlb(IntelIOMMUState *s) vtd_iommu_unlock(s); } +static void vtd_reset_caches(IntelIOMMUState *s) +{ + vtd_iommu_lock(s); + vtd_reset_iotlb_locked(s); + vtd_reset_context_cache_locked(s); + vtd_iommu_unlock(s); +} + static uint64_t vtd_get_iotlb_key(uint64_t gfn, uint16_t source_id, uint32_t level) { @@ -3160,10 +3168,7 @@ static void vtd_init(IntelIOMMUState *s) s->cap |= VTD_CAP_CM; } - vtd_iommu_lock(s); - vtd_reset_context_cache_locked(s); - vtd_reset_iotlb_locked(s); - vtd_iommu_unlock(s); + vtd_reset_caches(s); /* Define registers with default values and bit semantics */ vtd_define_long(s, DMAR_VER_REG, 0x10UL, 0, 0); -- MST